unwanted anemone?

[Elfili]

Hi,
I'm relatively new to reef tanks. I currently have a 20gal nano up and running for almost 18 months. It was initially fish-only. I've recently decided to expand to small polyps and was advised to handle a couple of things prior to adding the new corals. I've noticed one piece of live rock harboring several tiny anemone's. Or are they?
Should I worry about these guys stinging the corals? I'm currently have this piece of LR in quarantine. I was told to soak this piece in fresh water to kill these guys.

I have pictures, but every time I try to post with them, I get an error.

Thank you in advance.

http://www.saavtiel.com/images/reef/anemone1.jpg
http://www.saavtiel.com/images/reef/anemone2.jpg
http://www.saavtiel.com/images/reef/anemone3.jpg
http://www.saavtiel.com/images/reef/anemone4.jpg

 

[reefman]

those r aptasias. ie glass anemones. they will sting corals.

 

[DevIouS]

those r aptasias. ie glass anemones. they will sting corals.

Definitely not aiptasia.
I would say in the Corallimorph family.

I never heard any stories of them being a pest.


Web pic:

Elfili's pic:

 

[reefman]

sorry, i didnt get to see the pics.

 

[noodleman]

what are you guys talking about? i dont even see a first post :tongue1:

 

[reefman]

we read minds

 

[DevIouS]

Both you guys go to sleep. It's way past your bed time.